it is a reaction of black goo known as graphene oxide to 5G radio active frequencies. This is in every single covid-19 vaccine & booster, it’s what causes the so called “bloodclots” heart attacks, neurological disorders… myocarditis and so on… if it gets into the brain it’s game over. Imagine what will happen when they turn the 5G masts on full power at 64 GHz. Sadly We are expecting 2.4 billion vaccinated people to die within 2-3 years.